The two most common methods are "Screen Readers" (audio) [1] and "Braille Displays" (touch) [2]. Depending on the exact vision impairment, other alternatives al

The two most common methods are "Screen Readers" (audio) [1] and "Braille Displays" (touch) [2]. Depending on the exact vision impairment, other alternatives also exist (magnifiers, customized color/brightness, and so forth). [1] http://en.wikipedia.org/wiki/Screen_reader http://en.wikipedia.org/wiki/Screen_reader [2] http://en.wikipedia.org/wiki/Refreshable_braille_display http://en.wikipedia.org/wiki/Refreshable_braille_display Good Luck with your situation!